公开(公告)号：WO2019154832A1

公开(公告)日：2019-08-15

申请号：PCT/EP2019/052866

申请日：2019-02-06

Applicant: BASF SE

Inventor： KARPOV, Andrey ,  WALSDORFF, Christian ,  KRAEMER, Michael ,  LANGE DE OLIVEIRA, Armin ,  KRENNRICH, Gerhard ,  BARTOSCH, Christian ,  ZUEHLKE, Juergen

IPC: B01J23/656 ,  C07D303/00

Abstract: The present invention provides a catalyst effective in the oxidative conversion of ethylene to ethylene oxide, comprising an alumina support and 20 to 45 % by weight of the catalyst, of silver applied to the support, the catalyst meeting the following limitations (i) to (v): (i) an amount of cesium c(Cs) in mmol per Kg of catalyst of at least 2; (ii) an amount of rhenium c(Re) in mmol per Kg of catalyst of at least 3.0; (iii) an amount of tungsten c(W) in mmol per Kg of catalyst of at least 1.6; (iv) a silicon to alkaline earth metal molar ratio x of not higher than 1.80; (v) c ( Cs ) — c ( Re ) — c ( W ) ≤ 4 · x — 0.5.

公开(公告)号：WO2018029189A1

公开(公告)日：2018-02-15

申请号：PCT/EP2017/070054

申请日：2017-08-08

Applicant: BASF SE

Inventor： KARPOV, Andrey ,  KRAEMER, Michael ,  BOSCH, Marco ,  BARTOSCH, Christian ,  ZUEHLKE, Juergen ,  LIZANDARA, Carlos ,  WASSERSCHAFF, Guido

IPC: B01J23/68 ,  B01J21/04 ,  B01J35/10 ,  C07D301/10 ,  B01J37/02 ,  B01J35/02 ,  B01J27/055

Abstract: The present invention is directed to a shaped catalyst body for preparing ethylene oxide, which comprises at least silver, cesium and rhenium applied to an alumina support, wherein the alumina support comprises Si, Ca, and Mg in a defined amount. Furthermore, the present invention is directed to a process for preparing the catalyst according to the present invention and process for preparing ethylene oxide by gas-phase oxidation of ethylene by means of oxygen in the presence of a shaped catalyst body according to the present invention.

Abstract translation: 本发明涉及一种用于制备环氧乙烷的成型催化剂体，其至少包含施加到氧化铝载体上的银，铯和铼，其中氧化铝载体包含在其中的Si，Ca和Mg 一个确定的数量。 此外，本发明涉及制备根据本发明的催化剂的方法和通过根据本发明在催化剂成型体存在下通过氧气气相氧化制备环氧乙烷的方法。